Paper
25 April 1990 Fourier-Transform Evaluation Of Interference Patterns: The Role Of Filtering In The Spatial Frequency Domain
Thomas M. Kreis, Werner P.O. Juptner
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Abstract
The Fourier-transform method pointwisely determines the interference phase distribution out of a single digitally recorded and stored interference pattern. By using suitable filter parameters in the spatial frequency domain, speckle noise and known as well as unknown background variations can be suppressed. The paper presents a description of the Fourier-transform method, a discussion of the effects of filter parameters like orientation and cutoff-frequencies, and experimental results.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Thomas M. Kreis and Werner P.O. Juptner "Fourier-Transform Evaluation Of Interference Patterns: The Role Of Filtering In The Spatial Frequency Domain", Proc. SPIE 1162, Laser Interferometry: Quantitative Analysis of Interferograms: Third in a Series, (25 April 1990); https://doi.org/10.1117/12.962739
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Cited by 20 scholarly publications.
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KEYWORDS
Laser interferometry

Quantitative analysis

Optical filters

Spatial frequencies

Phase shifts

Spatial filters

Holography

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